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Author Topic: F-35 Lightning II  (Read 305130 times)
 
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MOTORISTA
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« Reply #735 on: March 06, 2021, 06:45:12 am »

Najmoćnije oružje postalo najveće razočaranje: Kako je Amerika "bacila" 1.700 milijardi dolar
Saša Jadranin 05.03.2021.

Na proizvodnju i održavanje lovca bombardera F-35 američka vojska izdvaja ukupno 1,7 biliona odnosno 1.700 milijardi dolara, što je ekvivalent godišnjem BDP-u Rusije, ili ako želite da zvuči još impozantnije, jednako 26 vojnih budžeta najveće države sveta.

Podatak svakako zvuči neverovatno, a stvar postaje još luđa ako čujete da izveštaj američkog ratnog vazduhoplovstva kaže da je taj avion - nebezbedan. A on je trebalo da predstavlja bolji izbor od lovaca F-16 koji se već dugo koriste. Jedan od najpraktičnijih i najfunkcionalnijih vojnih aviona je upravo F-16, čijoj zameni su težili u Pentagonu. On je mogao da ponese čak 15 bombi na sebi, uključujući i dve nuklearne. Novajlija (F-35) ima inovacije i na tom polju, međutim njega su okarakterisali kao "leteći švajcarski vojni nož", gde nikad ne možete naći ono što vam treba u tom trenutku. Pritom, on je nebezbedan za sletanje, i najviše vremena je proveo parkiran u garaži, navodi "Alternet".

I dok F-16 može da leti brzinom od dva maha, dakle dva puta brže od zvuka, Pentagon je za F-35 dao upozorenje da se ne preporučuje da prekoračuje brzinu od jednog maha i da to čini samo u "hitnim slučajevima". Tu je i problem sa „stelt“ sposobnošću aviona F-35, koja je ugrožena ako leti prebrzo, jer premaz koji čini avion nevidljivim za radar ima lošu naviku da se ljušti, čineći avione potpuno vidljivim neprijateljskom radaru. Dakle, avion koji košta oko 100 miliona po komadu i čije opremanje i održavanje donosi još mnogo ogromnih troškova, a koji je trebalo da zameni mnogo jeftiniji F-16, pokazao se velikim razočaranjem.

Promašaj američkog vazduhoplovstva trebalo je da objedini sve glavne funkcije borbene letelice (podrška kopnu, rakete ka zemlji i borba u vazduhu), međutim u praksi je došlo do mnogih komplikacija, a to su, između ostalog, kvarovi na raznim delovima, loše dizajnirana pilotska kabina, kao i pucanje konstrukcije samog aviona. Vašingtonski analitičar Den Grejzier ocenio je da su u američkoj vojsci preterali sa očekivanjima.

- Pokušali su da osposobe F-35 da može da radi previše stvari - naveo je Grejzier za "Forbs".

Iako sat "leta" ovog aviona košta tri puta skuplje od korišćenja F-16, američka vojska i dalje insistira na proizvodnji ovog aviona, ali čak i u Pentagonu postaju svesni da to možda nije dobra investicija. Den Vord, bivši menadžer u Ratnom vazduhoplovstvu, ističe da F-35 nije jeftini laki borac. Prethodno je to priznao i Čarls Braun Džunior, komandant vazduhoplovnih snaga.

- Ne vozite svoj ferari na posao svaki dan, to je automobil za vožnju nedeljom - istakao je Braun i rekao da ih ne treba često koristiti.

Američka vojska trenutno broji 1450 aviona modela F-16, od čega 700 u vazdušnim snagama, a isto toliko i u Nacionalnoj bezbednosti, dok je 50 primeraka u rezervi. U svom poslednjem intervjuu pre napuštanja funkcije u januaru, Vil Roper, najviši zvaničnik vazduhoplovnih snaga zadužen za nabavku, predstavio je ideju o novim narudžbinama F-16, ali Braun je odbacio tu ideju, rekavši da ne želi više klasičnih aviona. Teško bi bilo nadograditi softver na F-16, objasnio je tada Braun. Umesto da se nabave novi F-16, rekao je on, vazduhoplovstvo bi trebalo da se pozabavi dizajnom novih lovaca nižeg ranga. Braunovi komentari prećutno priznaju da je zapravo program F-35 propao.

F-35 je trebalo da zameni F-16, ali sada Pentagon pokušava da smisli kako da nađe zamenu za zamenu i kako da opravda neverovatane troškove.

Izvor: www.blic.rs
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kilezr
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« Reply #736 on: March 07, 2021, 01:02:44 pm »


 Po svemu gore navedenom ispada da je Turska nagrađena izbacivanjem iz programa .
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« Reply #737 on: March 07, 2021, 01:10:24 pm »


Пааа, могуће је направити топ који ће бити подједнако ефикасан на свим дометима и разном муницијом, али да се направи авион који ће једнако добро бити и ловац и јуришник и бомбардер и извиђач, е то не може. Американци су хтели немогуће. Не кажем да је Ф-35 тотални промашај, само није ни приближно толико добар како су они хтели. Прескуп јесте, а замишљен је да буде јефтин.
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« Reply #738 on: March 07, 2021, 02:57:40 pm »



  https://balkans.aljazeera.net/news/world/2021/3/3/demir-nije-neophodno-da-se-turska-vrati-u-program-f-35?fbclid=IwAR1xNhMHwDKuXtWAkQUyeMkJ83S
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« Reply #739 on: March 07, 2021, 04:48:34 pm »

I dalje ne prihvaćam taj hype da F-35 ne valja ništa. Očito se se svi uključeni u projekt dobro nakrali para napuhujući cijene i očito da avion ima hrpu bugova koje ispravljaju u hodu ali da bi vojska pristala samo tako da avion ne može letjeti malo iznad Mach 1 ili da se premaz za apsorpciju radara ljušti -  to je netko pomiješao sa problemima F-22 koji ima takvu boju, za razliku od F-35 koji takav premaz ne koristi. Da je cijeli koncept loš i da avion nije slabo vidljiv za radare ona se potencijalni protivnici nebi uzbuđivali nego bi se hladno oslanjali na standardnu protuavionsku raketnu odbranu. Niti ulupavali novce na Su-57 i J-20 koji još nije niti punokrvna 5 generacija. Izgleda da Ameri i Zapad misli da se postojeća ravnoteža može održati i modernizacijom postojeće flote a Lockheed možda hoće izgurati F-16 pod F-21.
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« Reply #740 on: March 07, 2021, 08:11:57 pm »

Sećam se priče s početka bajke da je cena trebala da bude cca 20 miliona $ za klot avion po komadu. Ovako će biti dobar bombarder i izviđač, a loš jurišnik i lovac.
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« Reply #741 on: March 17, 2021, 07:50:49 am »



Britanski general: Bankrotiraćemo zbog američkih lovaca


Američki lovci pete generacije F-35B „Lajtning ll“ dovešće do bankrota Ministarstvo odbrane Velike Britanije, rekao je bivši načelnik Generalštaba Oružanih snaga zemlje general Ričard Danat.

Prema njegovoj proceni, jedan američki avion koštaće London 80 miliona funti (preko 93 miliona evra), a jedan sat korišćenja letelice košta 90.000 funti (više od 104 hiljade evra).

„Cena lovaca je toliko visoka da čak i američko Ratno vazduhoplovstvo počinje da traži jeftiniji borbeni avion“, rekao je general, prenosi britanski dnevni list „Miror“.

Danat smatra da će takvi rashodi „unakaziti odbrambeni budžet decenijama unapred“, a gubitnici će biti Kopnene snage Velike Britanije.

Podsetimo, list „Tajms“ je pisao da će Velika Britanija morati da plaća milione funti za održavanje najnovijih višenamenskih američkih lovaca-bombardera F-35 „lajtning II“, „koji nisu u stanju normalno da funkcionišu“. „Tajms“ navodi i da bi Velika Britanija za nove avione trebalo da izdvoji 12 milijardi funti, a do 2021. godine da otkupi ukupno 138 lovaca.

Ranije je magazin „Forbs“ pisao da se američko Ratno vazduhoplovstvo pomirilo sa neuspehom programa letelice F-35. Eksperti su saopštili da su zbog sve veće konkurencije konstrukciju novog aviona značajno zakomplikovali i na kraju se posao odužio, troškovi su se povećali, a pouzdanost projekta je opala.

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« Reply #742 on: March 24, 2021, 08:00:56 pm »

Marinski F-35B je oštećen prilikom trenaže gađanja iz topa GAU-22/A. To prilikom je došlo do eksplozije zrna malo po napuštanju cevi topa što je dovelo do oštećenja letelice. Pilot je ostao nepovređen i uspeo je da spusti avion. Šteta na letelici je procenjena na oko 2,5 miliona $.

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A Marine F-35B Fighter Jet Accidentally Shot Itself With Its Own Gun Pod
Thankfully no one was injured, but the incident caused at least $2.5 million worth of damage to the aircraft.
BY JOSEPH TREVITHICK MARCH 24, 2021

The underside of a U.S. Marine Corps F-35B Joint Strike Fighter was significantly damaged when a round fired from its underbelly 25mm gun pod exploded shortly after leaving the muzzle of the cannon mounted within. The accident, which occurred over the Yuma Range Complex in Arizona earlier this month, did not injure the pilot of the jet, who was able to bring the aircraft safely back to base.

Military.com was first to report on the incident, which took place on March 12, 2021, during a close air support training sortie at night. The Marine Corps did not identify the unit to which the F-35B was assigned, but said it was among those based at Marine Corps Air Station Yuma, which is collocated with Yuma International Airport. This base is home to elements of the 3rd Marine Aircraft Wing, including multiple squadrons equipped with F-35Bs, as well as other aircraft.

"The mishap did not result in any injury to personnel, and an investigation of the incident is currently taking place," Marine Corps Captain Andrew Wood, a spokesman for the service, told Military.com. Still, the Naval Safety Center, which also handles such matters for the Marines, categorized the accident as a Class A mishap.

Class A is the most severe level in the U.S. military's mishap scale, which covers incidents in the air and on the ground. For aviation accidents, Class A mishaps are defined as those resulting in at least $2.5 million in property damage, or the total loss of the aircraft, or one or more individuals being killed or permanently disabled.

The specifics of how this particular mishap occurred are unclear. The F-35B, as well as the F-35C, can only carry the 25mm GAU-22/A Gatling-type automatic cannon in an underbelly pod, known as the GPU-9/A, while the F-35A has this weapon installed internally. The first live-fire tests of the gun pod took place in 2016. Despite concerns about the accuracy of the weapon in the past, it has since been cleared for at least some level of operational use, notably being fitted to Marine F-35Bs supporting the withdrawal of U.S. forces from Somalia between December 2020 and January 2021.

Military.com reported that the particular type of round that blew up underneath the F-35B in this incident was a PGU-32/B SAPHEI-T type. This stands for semi-armor-piercing high-explosive incendiary-tracer. When it functions properly, impacting a target triggers a fuze with a slight delay in the nose of the PGU-32/B's projectile, which then sets off an incendiary element and a small explosive charge inside its main body. The resulting detonation then also spreads a small amount of zirconium, a compound that spontaneously ignites on contact with the air and burns at a very high temperature, causing additional damage.

General Dynamics Ordnance and Tactical Systems (GD-OTS), which, among other contractors, makes PGU-32/B ammunition, says on its website that these rounds have "inherent delay function for improved terminal effectiveness" and "improved graze sensitivity." What this means is that the fuze in these rounds are designed to give the projectiles time to penetrate through some amount of armor or other "barriers" before detonating, for maximum effect, while the fuzes themselves are constructed in such a way to help ensure they go off even when they only glance a target, rather than hit it directly.

While we don't know, an early detonation of the projectile could certainly point to a malfunction of some kind with the fuze. Of course, the investigation could well turn up other points of failure that led to this mishap, as well. It's not clear right now if the round that exploded in this incident was even deliberately fired or if there might have been some broader weapons malfunction.

Accidental discharges of aircraft guns are certainly not unheard of. In November 2020, the 30mm M230 cannon on a British Army AH-64D Apache went off during ground maintenance following an inflight weapons malfunction. Thankfully, the round in question was a practice type with an inert projectile. Any results of the investigation into that incident have yet to be publicly disclosed.

In 2018, a Belgian F-16AM Viper fighter jet's 20mm M61 Vulcan cannon let loose a string of rounds during an apparent inspection. That weapon was loaded with high-explosive ammunition and the incident left another F-16AM destroyed and a third damaged, as well as two ground crew personnel injured.

While the exact extent of the damage to the F-35B involved in this recent mishap remains to be seen, there may be a silver lining of sorts to this event in that it could provide useful information about the jet's ability to withstand battle damage. As already noted, the jet was able to return to base after the round blew up.

No matter what, thankfully the exploding cannon round did not injure the pilot or anyone else.


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« Reply #743 on: March 24, 2021, 10:51:37 pm »

самообарајући Grin
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MOTORISTA
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« Reply #744 on: March 25, 2021, 03:08:01 pm »

Lovac F-35 upucao samog sebe
IZVOR: B92 ČETVRTAK, 25.03.2021.

Američki lovac F-35 upucao je samog sebe, kada je eksplodirao metak ispaljen iz topa tog aviona.

Incident se dogodio u vazduhoplovnoj bazi marinaca u Jumi, u državi Arizona. Kako prenosi američki sajt “Militari” oštećen je trup aviona, a incident je svrstan u klasu A, koja označava najteže vrste štete, kada je ona veća od 2,5 miliona dolara ili je avion uništen. Incident se dogodio tokom noćne misije 12. marta, kada je eksplodirao protivoklopni metak kalibra 25 milimetara, ispaljen iz topa aviona, rekao je portparol marinaca kapetan Endrju Vud. Avion se bezbedno prizemljio, niko nije povređen u incidentu, o kom je istraga u toku, dodao je Vud. Za sada nije poznato da li je pilot pucao iz topa, pa je potom došlo do eksplozije ili je do ispaljivanja došlo zbog neke tehničke greške.

Izvor: www.b92.net
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« Reply #745 on: April 02, 2021, 07:10:07 am »




Quote
A Flying Disaster: F-35B Jet Shoots Itself With Its Own 25mm Gun



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BrankoBananko
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« Reply #746 on: April 22, 2021, 02:28:46 pm »

Turska izbacena iz programa F-35

Turkey officially kicked out of F-35 program, costing US half a billion dollars

WASHINGTON — The U.S. has removed Turkey from the F-35 joint strike fighter program, and Turkey will lose its production work on the jet by March 2020, following its acceptance of the S-400 Russian-made air defense system last Friday.

https://www.defensenews.com/air/2019/07/17/turkey-officially-kicked-out-of-f-35-program/
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« Reply #747 on: May 03, 2021, 06:18:40 am »




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Why Germany Doesn't Buy the F-35



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« Reply #748 on: May 15, 2021, 12:51:57 pm »

Quote

The Electro-Optical Targeting System (EOTS) for the F-35 Lightning II is an affordable, high-performance, lightweight, multi-function system that provides precision air-to-air and air-to-surface targeting capability. As the first sensor to combine forward-looking infrared and infrared search and track functionality, EOTS enhances F-35 pilots’ situational awareness and allows aircrews to identify areas of interest, perform reconnaissance and precisely deliver laser and GPS-guided weapons.


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« Reply #749 on: May 25, 2021, 11:47:41 am »



Quote
F-35 Helmet Cam Footage Of Shipborne Rolling Vertical Landing (SRVL)

Unique footage shows a reportedly rare landing maneuver performed by a British Royal Navy F-35 pilot onto the HMS Queen Elizabeth.

The pilot conducts a Shipborne Rolling Vertical Landing (SRVL), which is used to land a Vertical/Short Take Off Landing aircraft using both the vertical thrust from the jet engine and lift from the wings. This allows for a rolling landing with a significantly reduced approach speed and landing distance.

But what is the point, you may be asking... The SRVL maneuver allows the aircraft to land without first dumping access fuel and ammunition into the sea to lighten its load. Therefore, it can be packed to the brim with payload and no-one will worry about wasting ammo and polluting the ocean. Additionally, the technique has no need for a tail hook and arresting cable to bring the aircraft to a stop.




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